EASY
Lower Secondary Stage 8
IMPORTANT
Earn 100

Explain why sound cannot travel through a vacuum.

Important Questions on Sound

EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 8 - Sound>Exercise 2>Q 6
Why does sound travel faster through water than through air?
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 8 - Sound>Exercise 2>Q 7
Do you think the speed of sound through steel would be faster or slower than through water? Explain your answer.
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 8 - Sound>Exercise 3>Q 8

We have folds of tissue, called vocal folds or vocal cords in our throats. These vocal folds vibrate when we speak. How are they made to vibrate?

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EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 8 - Sound>Exercise 3>Q 8

We have folds of tissue, called vocal folds or vocal cords in our throats. Suggest a reason why people's voices sound different.

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EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 8 - Sound>Exercise 4>Q 1
Why it is difficult to hear if you have a lot of earwax in your ear?
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 8 - Sound>Exercise 5>Q 2
A person has an eardrum with a hole in it. Explain why he cannot hear well.
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 8 - Sound>Exercise 6>Q 3
If sound travels 340 m every second, how many seconds would it take to travel one kilometer?
EASY
Lower Secondary Stage 8
IMPORTANT
Cambridge Lower Secondary Science Stage 8 : Student's book>Chapter 8 - Sound>Exercise 6>Q 4
During a thunderstorm, you see the lightning much sooner than you hear the thunder. What does this tell you about the speed of sound compared to the speed of light?